View Compilation Error

0_0_38826139_18709.cpp: In function 'int main()':
0_0_38826139_18709.cpp:69:37: error: redeclaration of 'int ans'
   69 |                                 int ans = 0;
      |                                     ^~~
0_0_38826139_18709.cpp:41:29: note: 'int ans' previously declared here
   41 |                         int ans = 0;
      |                             ^~~